<?php

/**
 * LEAGUEMan
 * 
 * Copyright (C) 2007 Marko Bischof
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

class LM_Ranking_Simple extends LM_Ranking_Abstract
{

    public function compare(LM_Ranking_Row $a, LM_Ranking_Row $b)
    {

        $i = $b->getPoints() - $a->getPoints();
        if ($i == 0) $i = $b->getDiff() - $a->getDiff();
        if ($i == 0) $i = $b->getScore1() - $a->getScore1();
        if ($i == 0) {

            $e1 = 0;
            $e2 = 0;
            foreach ($this->results AS $result) {

                $t1 = $a->getTeam()->team_id;
                $t2 = $b->getTeam()->team_id;

                if ($result->team1_id == $t1 && $result->team2_id == $t2) {
                    $e1 = $e1 + $result->e1;
                    $e2 = $e2 + $result->e2;
                }

                if ($result->team1_id == $t2 && $result->team2_id == $t1) {
                    $e1 = $e1 + $result->e2;
                    $e2 = $e2 + $result->e1;
                }
            }

            $i = $e2 - $e1;
        }

        return $i;
    }

}